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[Bug ada/37038] Bogus warning from GCC
- From: "sam at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Aug 2008 15:39:25 -0000
- Subject: [Bug ada/37038] Bogus warning from GCC
- References: <bug-37038-15321@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from sam at gcc dot gnu dot org 2008-08-06 15:39 -------
The warning comes from a range check which is emitted by Gigi. The backend
knows that this check is useless, and warns about it. As far as I can tell,
there is no way to suppress the warning in shorten_compare (c-common.c), except
by setting a global option (OPT_Wtype_limits) to false.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37038